Celebrity hairdresser Fabio Sementilli seemed to have it all - fame, a loving family, a luxury lifestyle. But when he was found stabbed to death and his sports car stolen, detectives uncovered a chilling murder plot.

A wife enlists her long-distance lover to kill her husband, disguising murder as a random street ambush.

In Mobile, a man is gunned down in front of his family, and it's up to Det. Jermaine Rogers to sift through differing accounts of the incident to find the truth.

When a man is shot on the side of the road, clues lead Detective Jason White to an ongoing crime spree, in his 100th case for Tulsa Homicide.

When a house fire turns out to be a triple murder involving a 7-year-old girl, Tulsa Homicide takes it personally.

A visit to Mobile ends in tragedy when a violent chain reaction leads to the death of a teenage girl.

Each episode tells the story of how an online connection led to murder. Whether it’s the excitement of online dating, the lure of money-making schemes, or the chance to cheat on your partner, every story is different, but everyone has a tragic end.

Each episode tells the story of how an online connection led to murder. Whether it’s the excitement of online dating, the lure of money-making schemes, or the chance to cheat on your partner, every story is different, but everyone has a tragic end.

Susan Mauldin disappeared from her Florida home in the middle of a renovation. A trail of bank records and surveillance footage led detectives to dark family secrets - and a killer's twisted plan.

Summer Inman is a custodian at an Ohio bank working the night shift. On her way home, she’s tasered and abducted in a back alley by two men. A state-wide search begins for the young mother and leads investigators to uncover an abusive marriage.

When young mother Debbie Masters Baker is found badly beaten to death in her home near Austin, Texas, police struggle to identify the killer for nearly 20 years.

The death rate mysteriously triples on one hospital ward in Massachusetts. When investigators join the dots they find one common denominator in the patients’ care - Nurse Kristen Gilbert. But could this so-called ‘soccer mum’ really be a killer?

Nicknamed Dr Death, neurosurgeon Christopher Duntsch destroys the lives of many who end up in his operating theatre, in two cases resulting in death. His work is so substandard that people are led to question whether he is even a doctor.

Scott Gellatly swept neighbour Lori Jackson off her feet. But her mother Merry had doubts about Scott. He controlled where Lori went, and who she spoke to. So when things turned violent, it wasn’t just Lori in the firing line.

A respected lawyer kills the woman he can’t bear to lose, then goes on the run across two countries.

44-year-old Colombian Clara Harris moves to America in the 1980s and opens her own successful dentistry practice. She had two sons with her orthodontist husband, David Harris. They seemed like the perfect family, but they’re not.

Nicknamed Dr Death, neurosurgeon Christopher Duntsch destroys the lives of many who end up in his operating theatre, in two cases resulting in death. His work is so substandard that people are led to question whether he is even a doctor.

Malcolm Webster’s wife, Claire, died in a car crash in a remote part of Scotland, and he was apparently inconsolable. When his second wife, Felicity, almost died in similar circumstances in New Zealand and money is missing, suspicions were raised.

A man is found dead at home after a fire, but everything is not as it seems. His death was caused by something else—something of which a nurse, like his wife, would have considerable knowledge.

Kathy Augustine was a politician serving in the Nevada Senate. Shortly after her husband of 17 years died from complications of a stroke, she married Chaz Higgs, a critical care nurse whom she met while he was caring for her late husband.

When young mother Debbie Masters Baker is found badly beaten to death in her home near Austin, Texas, police struggle to identify the killer for nearly 20 years.

Investigative series examining murder cases told through the personal experience of retired Colorado detective Lieutenant Joe Kenda.

All signs point to a vicious serial killer when Kenda reopens the investigation into a woman's frozen, lifeless body found in a graveyard.

Susan Mauldin disappeared from her Florida home in the middle of a renovation. A trail of bank records and surveillance footage led detectives to dark family secrets - and a killer's twisted plan.

A brutal murder disguised as a hate crime unravels when investigators discover the staged evidence was designed to shield someone much closer to the victim.

When a man is found inside a truck, stabbed 45 times, a bilingual Tulsa community comes together to help Detective Mark Kennedy identify the victim and track down his killer.

Investigative series examining murder cases told through the personal experience of retired Colorado detective Lieutenant Joe Kenda.

All signs point to a vicious serial killer when Kenda reopens the investigation into a woman's frozen, lifeless body found in a graveyard.

When young mother Debbie Masters Baker is found badly beaten to death in her home near Austin, Texas, police struggle to identify the killer for nearly 20 years.

Nicknamed Dr Death, neurosurgeon Christopher Duntsch destroys the lives of many who end up in his operating theatre, in two cases resulting in death. His work is so substandard that people are led to question whether he is even a doctor.

A suspect makes a chilling confession about a string of gruesome crimes; a deadly mistake made by a politician comes to light in the interrogation room; a suspect attempts to grab an officer's gun; and more.

A murderer refuses to cooperate no matter how many questions he faces; a no-nonsense detective wants answers and gets them; an interrogation room can't hold a determined suspect looking to escape; and more.